The Trans-Pacific Partnership Trade Agreement (TPPA), if signed, may constrain public policy steps in NZ to address climate change (e.g. regulation of the fossil fuel and energy sectors).

A coalition of health organisations including OraTaiao voiced these concerns in an article published on 28 October 2014 in NZ Doctor Online, entitled 'The impact of the Trans-Pacific Partnership on health: Why an independent, comprehensive health impact assessment is crucial prior to signing'. This article was supported by: